Answer: Low levels of testosterone has been linked to joint pain and may cause rheumatoid arthritis in the long run. Rapid growth can lead to joint damage as <span>the accelerated bone growth disrupts the supply of blood to the cartilage, causing bone death and regrowth.
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For the first question, I would say a line graph. And the one about the human heart, I need some more information.
False. Mass doesn't change in relation to something's location, only weight does.
Changes in a DNA sequence that affect genetic information are known as mutations.